Graphitized Hydroxy MultiWalled Carbon Nanotubes are widely used in advanced materials and nanotechnology due to their unique properties. They serve as reinforcing agents in composite materials, enhancing mechanical strength, electrical conductivity, and thermal stability. These nanotubes are applied in energy storage devices, such as supercapacitors and lithium-ion batteries, to improve electrode performance and charge-discharge efficiency. In the field of electronics, they are utilized in sensors, transistors, and conductive films for their excellent electrical properties. Additionally, they play a role in environmental applications, including water purification and pollutant adsorption, due to their high surface area and functional groups. In biomedical research, they are explored for drug delivery systems and bioimaging, leveraging their biocompatibility and functionalization potential.